A major midstream gas company required a Stress Corrosion Cracking (SCC) integrity assessment in order to remain federally compliant. The project schedule was of critical importance due to the customer’s demand date for product transmission. This schedule demanded that BlueFin couple engineering subject matter experts and management resources to deliver a work plan that would meet the customer’s deadline.

Specifications

Diameter: 36 inches

Length: 20.63 miles

Wall Thickness: 0.375 inches

Maximum Allowable Operating Pressure (MAOP): 1,440 psi

Differential Elevation: 330 ft

Challenges

Limited accessibility

High potential for air lock

Strict environmental regulation

High economic impact for an extended outage

SIMOPS

Neighboring energized pipelines & facilities

Plan of Execution

Project Pre-Planning

Multiple site surveys.

Stakeholder planning meetings.

Creation of technical procedures.

Pipeline Filling

Design of uptake system to meet Department of Environmental Quality (DEQ) water removal permit.